Hoffman Specialty 404200 FT015H-3 Float & Thermostatic Steam Trap (3/4 Inch NPT, 15 PSI Max)
Hoffman Specialty 404200 FT015H-3 Float & Thermostatic Steam Trap (3/4 Inch NPT, 15 PSI Max)
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Hoffman Specialty 404200 (FT015H-3) Float & Thermostatic Steam Trap
Designed for continuous condensate drainage and immediate air venting in low-pressure steam systems, the Hoffman Specialty 404200 (Series FT015H-3) is a heavy-duty Float and Thermostatic (F&T) steam trap built for commercial heating and industrial process loops. Featuring a 3/4" NPT female threaded connection and a 15 PSI maximum operating pressure differential, this trap is engineered for steam main drips, unit heaters, air handling coils, and heat exchange equipment.
The FT015H-3 features an H-pattern piping configuration with dual inlets and outlets on both sides, offering maximum piping flexibility during installation or replacement. Its balanced-pressure thermostatic air vent element swiftly exhausts non-condensable gases during startup to eliminate air binding, while the heavy-duty stainless steel float mechanism modulates continuously to discharge condensate without steam loss.
Key Performance & Engineering Features:
- H-Pattern Piping Flexibility: Side-entry inlet and outlet options allow for simplified, straight-through or right-angle piping connections.
- Continuous Condensate Discharge: Modulating ball float and valve pin automatically adjust to varying condensate loads to protect heat transfer efficiency.
- Thermostatic Air Venting: High-grade thermostatic element removes air at low pressures during cold startups, preventing system noise and thermal delays.
- Heavy-Duty Cast Iron Build: ASTM Class B cast iron body housing durable stainless steel internal levers, float ball, and valve seat for maximum water hammer resistance.
⚠️ Application Profile: Recommended for low-pressure steam main drips, unit heaters, blast coils, steam heat exchangers, and commercial boiler condensate returns requiring up to 15 PSI differential capacity.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 404200 |
| Model Designation | FT015H-3 (Series H F&T Trap) |
| Pipe Connection Size | 3/4" NPT (Female Threaded) |
| Max Operating Pressure Differential | 15 PSI (1.0 bar) |
| Max Body Design Pressure / Temp | 250 PSIG @ 406°F (17.3 bar @ 208°C) |
| Body Construction | Cast Iron (ASTM A126 Class B) |
| Internal Trim & Float Material | Stainless Steel Valve Seat, Pin, Float & Lever |
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